/usr/lib/python3/dist-packages/cobra/solvers/ is in python3-cobra 0.4.0b6-1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/cobra/solvers/__init__.py
/usr/lib/python3/dist-packages/cobra/solvers/cglpk.cpython-35m-x86_64-linux-gnu.so
/usr/lib/python3/dist-packages/cobra/solvers/coin.py
/usr/lib/python3/dist-packages/cobra/solvers/cplex_solver.py
/usr/lib/python3/dist-packages/cobra/solvers/esolver.py
/usr/lib/python3/dist-packages/cobra/solvers/glpk_solver.py
/usr/lib/python3/dist-packages/cobra/solvers/gurobi_solver.py
/usr/lib/python3/dist-packages/cobra/solvers/mosek.py
/usr/lib/python3/dist-packages/cobra/solvers/parameters.py
/usr/lib/python3/dist-packages/cobra/solvers/wrappers.py